<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共166条记录</span>
        <template #after>
          <el-button size="small" type="warning" @click="$router.push('/import')">导入</el-button>
          <el-button size="small" type="danger" @click="exportData">导出</el-button>
          <el-button size="small" type="primary" @click="showDialog = true">新增员工</el-button>
        </template>
      </page-tools>

      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center" sortable="">
            <template slot-scope="{row}">
              <img
                v-imageerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius: 50%; width: 100px; height: 100px; padding: 10px"
                alt=""
                @click="showQrCode(row.staffPhoto)"
              >
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column label="聘用形式" sortable="" prop="formOfEmployment" :formatter="formatEmployment" />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <template slot-scope="{row}">
              {{ row.timeOfEntry | formatDate }}
            </template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{row}">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === '1'" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{row}">
              <el-button type="text" size="small" @click="$router.push(`/employees/detail/${ row.id }`)">查看</el-button>
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
              <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>

      <!-- 分页组件 -->
      <el-row type="flex" justify="center" align="middle" style="height: 60px">
        <el-pagination
          layout="prev, pager, next"
          :page-size="page.size"
          :current-page="page.page"
          :total="page.total"
          @current-change="changePage"
        />
      </el-row>

      <!-- 弹层 -->
      <add-employee :show-dialog.sync="showDialog" />

      <!-- 图片转二维码弹层 -->
      <el-dialog title="二维码" :visible.sync="showCodeDialog">
        <el-row type="flex" justify="center">
          <canvas ref="myCanvas" />
        </el-row>
      </el-dialog>
      <!-- 放置角色分配组件 -->
      <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId" />
    </div>
  </div>
</template>

<script>
import { getEmployeeList, deleteEmployee } from '@/api/employees'
// import { getUserDetailById } from '@/api/user'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee.vue'
import { formatDate } from '@/filters'
import QrCode from 'qrcode'
import AssignRole from './components/assign-role'

export default {
  components: {
    AddEmployee,
    AssignRole
  },
  data () {
    return {
      showCodeDialog: false, // 控制头像转二维码弹层
      loading: false,
      list: [], // 接数据的
      page: {
        page: 1,
        size: 10,
        total: 0 // 总数
      },
      showDialog: false,
      showRoleDialog: false, // 显示角色权限弹层
      userId: null // 角色Id
    }
  },
  created () {
    this.getEmployeeList()
  },
  methods: {
    // 改变页码值，翻页
    changePage (newPage) {
      this.page.page = newPage
      this.getEmployeeList()
    },
    // 获取员工列表
    async getEmployeeList () {
      this.loading = true
      const { total, rows } = await getEmployeeList(this.page)
      this.page.total = total
      this.list = rows
      this.loading = false
    },
    // 格式化聘用形式
    formatEmployment (row, column, cellValue, index) {
      // 要去找 1 所对应的值
      const obj = EmployeeEnum.hireType.find(item => item.id === parseInt(cellValue))
      return obj ? obj.value : '未知'
    },
    // 删除员工
    async deleteEmployee (id) {
      try {
        // 点击确认才会执行后面的
        await this.$confirm('您确定删除该员工吗？')
        // 删除员工
        await deleteEmployee(id)
        // 更新列表
        this.getEmployeeList()
        // 成功提示
        this.$message.success('删除员工成功')
      } catch (error) {
        console.log(error)
      }
    },
    // 导出员工列表excel
    exportData () {
      // 表头对应关系
      const headers = {
        '手机号': 'mobile',
        '姓名': 'username',
        '入职日期': 'timeOfEntry',
        '聘用形式': 'formOfEmployment',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'
      }
      import('@/vendor/Export2Excel').then(async excel => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        })

        const data = this.formatJson(headers, rows)
        // excel是文件的导出对象
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: '员工信息表',
          autpwidth: true,
          bookType: 'xlsx'
        })
      })
    },
    // 该方法负责将数组转化为二维数组
    formatJson (headers, rows) {
      // 首先遍历数组
      return rows.map(item => {
        // item是一个对象 { mobile: 132111, username: '张三' }
        // ["手机号", "姓名", "入职日期"]
        return Object.keys(headers).map(key => {
          // 需要判断字段
          if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
            // 格式化日期
            return formatDate(item[headers[key]])
          } else if (headers[key] === 'formOfEmployment') {
            const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
            return obj ? obj.value : '未知'
          }
          return item[headers[key]]
        })
      })
    },
    // 展示用户头像
    showQrCode (url) {
      // url存在的情况下才弹出弹层
      if (url) {
        this.showCodeDialog = true
        this.$nextTick(() => {
          QrCode.toCanvas(this.$refs.myCanvas, url)
        })
      } else {
        this.$message.warning('该用户还未上传头像')
      }
    },
    // 编辑角色权限
    async editRole (id) {
      this.userId = id // props 传值 是异步的
      await this.$refs.assignRole.getUserDetailById(id) // 调用子组件方法
      this.showRoleDialog = true
    }
  }

}
</script>

<style>

</style>
